]> git.proxmox.com Git - mirror_edk2.git/commitdiff
ArmVirtPkg/VirtFdtDxe: remove Xenio handling and rename to VirtioFdtDxe
authorArd Biesheuvel <ard.biesheuvel@linaro.org>
Fri, 8 Apr 2016 09:45:11 +0000 (11:45 +0200)
committerArd Biesheuvel <ard.biesheuvel@linaro.org>
Wed, 13 Apr 2016 15:26:07 +0000 (17:26 +0200)
Now that we have moved the handling of the xen,xen DT node to XenioFdtDxe,
remove its handling from VirtFdtDxe. Since the only functionality that
remains is handling the virtio,mmio DT node, rename VirtFdtDxe to
VirtioFdtDxe to reflect that. Also update the platforms that use this
driver.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
ArmVirtPkg/ArmVirtQemu.dsc
ArmVirtPkg/ArmVirtQemu.fdf
ArmVirtPkg/ArmVirtQemuKernel.dsc
ArmVirtPkg/ArmVirtQemuKernel.fdf
ArmVirtPkg/VirtFdtDxe/VirtFdtDxe.c [deleted file]
ArmVirtPkg/VirtFdtDxe/VirtFdtDxe.inf [deleted file]
ArmVirtPkg/VirtioFdtDxe/VirtioFdtDxe.c [new file with mode: 0644]
ArmVirtPkg/VirtioFdtDxe/VirtioFdtDxe.inf [new file with mode: 0644]

index 70419ff3f8567c3267fe4413a842f0db11a7e731..34323bf83d6427ba54a7a8e91ad91539535851e1 100644 (file)
   #\r
   # Platform Driver\r
   #\r
-  ArmVirtPkg/VirtFdtDxe/VirtFdtDxe.inf\r
+  ArmVirtPkg/VirtioFdtDxe/VirtioFdtDxe.inf\r
   ArmVirtPkg/FdtClientDxe/FdtClientDxe.inf\r
   ArmVirtPkg/HighMemDxe/HighMemDxe.inf\r
   OvmfPkg/VirtioBlkDxe/VirtioBlk.inf\r
index a7204898f4731fd3bf6a883d5094f81a97bf0e98..071eaef5dd80f320b7c5e5d8126101054d83db63 100644 (file)
@@ -103,7 +103,7 @@ READ_LOCK_STATUS   = TRUE
 \r
   INF MdeModulePkg/Core/Dxe/DxeMain.inf\r
   INF MdeModulePkg/Universal/PCD/Dxe/Pcd.inf\r
-  INF ArmVirtPkg/VirtFdtDxe/VirtFdtDxe.inf\r
+  INF ArmVirtPkg/VirtioFdtDxe/VirtioFdtDxe.inf\r
   INF ArmVirtPkg/FdtClientDxe/FdtClientDxe.inf\r
   INF ArmVirtPkg/HighMemDxe/HighMemDxe.inf\r
 \r
index 01029e38db3be567d833137737bd4276f2ce3e6f..42e01135f89918c2fdae061bc52cd3c68244d455 100644 (file)
   #\r
   # Platform Driver\r
   #\r
-  ArmVirtPkg/VirtFdtDxe/VirtFdtDxe.inf\r
+  ArmVirtPkg/VirtioFdtDxe/VirtioFdtDxe.inf\r
   ArmVirtPkg/FdtClientDxe/FdtClientDxe.inf\r
   OvmfPkg/VirtioBlkDxe/VirtioBlk.inf\r
   OvmfPkg/VirtioScsiDxe/VirtioScsi.inf\r
index b8f66d2f472cb060458d949225b4cfa8d3296d0c..7c478340f9e729837fdfb67f432595854e05ffe5 100644 (file)
@@ -125,7 +125,7 @@ READ_LOCK_STATUS   = TRUE
 \r
   INF MdeModulePkg/Core/Dxe/DxeMain.inf\r
   INF MdeModulePkg/Universal/PCD/Dxe/Pcd.inf\r
-  INF ArmVirtPkg/VirtFdtDxe/VirtFdtDxe.inf\r
+  INF ArmVirtPkg/VirtioFdtDxe/VirtioFdtDxe.inf\r
   INF ArmVirtPkg/FdtClientDxe/FdtClientDxe.inf\r
 \r
   #\r
diff --git a/ArmVirtPkg/VirtFdtDxe/VirtFdtDxe.c b/ArmVirtPkg/VirtFdtDxe/VirtFdtDxe.c
deleted file mode 100644 (file)
index cebd4aa..0000000
+++ /dev/null
@@ -1,218 +0,0 @@
-/** @file\r
-*  Device tree enumeration DXE driver for ARM Virtual Machines\r
-*\r
-*  Copyright (c) 2014, Linaro Ltd. All rights reserved.<BR>\r
-*\r
-*  This program and the accompanying materials are\r
-*  licensed and made available under the terms and conditions of the BSD License\r
-*  which accompanies this distribution.  The full text of the license may be found at\r
-*  http://opensource.org/licenses/bsd-license.php\r
-*\r
-*  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-*  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-*\r
-**/\r
-\r
-#include <Library/BaseLib.h>\r
-#include <Library/DebugLib.h>\r
-#include <Library/UefiLib.h>\r
-#include <Library/BaseMemoryLib.h>\r
-#include <Library/UefiDriverEntryPoint.h>\r
-#include <Library/MemoryAllocationLib.h>\r
-#include <Library/UefiBootServicesTableLib.h>\r
-#include <Library/VirtioMmioDeviceLib.h>\r
-#include <Library/DevicePathLib.h>\r
-#include <Library/PcdLib.h>\r
-#include <Library/DxeServicesLib.h>\r
-#include <Library/HobLib.h>\r
-#include <libfdt.h>\r
-#include <Library/XenIoMmioLib.h>\r
-\r
-#include <Guid/VirtioMmioTransport.h>\r
-#include <Guid/FdtHob.h>\r
-\r
-#pragma pack (1)\r
-typedef struct {\r
-  VENDOR_DEVICE_PATH                  Vendor;\r
-  UINT64                              PhysBase;\r
-  EFI_DEVICE_PATH_PROTOCOL            End;\r
-} VIRTIO_TRANSPORT_DEVICE_PATH;\r
-#pragma pack ()\r
-\r
-typedef enum {\r
-  PropertyTypeUnknown,\r
-  PropertyTypeVirtio,\r
-  PropertyTypeXen,\r
-} PROPERTY_TYPE;\r
-\r
-typedef struct {\r
-  PROPERTY_TYPE Type;\r
-  CHAR8         Compatible[32];\r
-} PROPERTY;\r
-\r
-STATIC CONST PROPERTY CompatibleProperties[] = {\r
-  { PropertyTypeVirtio,  "virtio,mmio"           },\r
-  { PropertyTypeXen,     "xen,xen"               },\r
-  { PropertyTypeUnknown, ""                      }\r
-};\r
-\r
-STATIC\r
-PROPERTY_TYPE\r
-GetTypeFromNode (\r
-  IN CONST CHAR8 *NodeType,\r
-  IN UINTN       Size\r
-  )\r
-{\r
-  CONST CHAR8    *Compatible;\r
-  CONST PROPERTY *CompatibleProperty;\r
-\r
-  //\r
-  // A 'compatible' node may contain a sequence of NULL terminated\r
-  // compatible strings so check each one\r
-  //\r
-  for (Compatible = NodeType; Compatible < NodeType + Size && *Compatible;\r
-       Compatible += 1 + AsciiStrLen (Compatible)) {\r
-    for (CompatibleProperty = CompatibleProperties; CompatibleProperty->Compatible[0]; CompatibleProperty++) {\r
-      if (AsciiStrCmp (CompatibleProperty->Compatible, Compatible) == 0) {\r
-        return CompatibleProperty->Type;\r
-      }\r
-    }\r
-  }\r
-  return PropertyTypeUnknown;\r
-}\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-InitializeVirtFdtDxe (\r
-  IN EFI_HANDLE           ImageHandle,\r
-  IN EFI_SYSTEM_TABLE     *SystemTable\r
-  )\r
-{\r
-  VOID                           *Hob;\r
-  VOID                           *DeviceTreeBase;\r
-  INT32                          Node, Prev;\r
-  EFI_STATUS                     Status;\r
-  CONST CHAR8                    *Type;\r
-  INT32                          Len;\r
-  PROPERTY_TYPE                  PropType;\r
-  CONST VOID                     *RegProp;\r
-  VIRTIO_TRANSPORT_DEVICE_PATH   *DevicePath;\r
-  EFI_HANDLE                     Handle;\r
-  UINT64                         RegBase;\r
-\r
-  Hob = GetFirstGuidHob(&gFdtHobGuid);\r
-  if (Hob == NULL || GET_GUID_HOB_DATA_SIZE (Hob) != sizeof (UINT64)) {\r
-    return EFI_NOT_FOUND;\r
-  }\r
-  DeviceTreeBase = (VOID *)(UINTN)*(UINT64 *)GET_GUID_HOB_DATA (Hob);\r
-\r
-  if (fdt_check_header (DeviceTreeBase) != 0) {\r
-    DEBUG ((EFI_D_ERROR, "%a: No DTB found @ 0x%p\n", __FUNCTION__, DeviceTreeBase));\r
-    return EFI_NOT_FOUND;\r
-  }\r
-\r
-  DEBUG ((EFI_D_INFO, "%a: DTB @ 0x%p\n", __FUNCTION__, DeviceTreeBase));\r
-\r
-  //\r
-  // Now enumerate the nodes and install peripherals that we are interested in,\r
-  // i.e., GIC, RTC and virtio MMIO nodes\r
-  //\r
-  for (Prev = 0;; Prev = Node) {\r
-    Node = fdt_next_node (DeviceTreeBase, Prev, NULL);\r
-    if (Node < 0) {\r
-      break;\r
-    }\r
-\r
-    Type = fdt_getprop (DeviceTreeBase, Node, "compatible", &Len);\r
-    if (Type == NULL) {\r
-      continue;\r
-    }\r
-\r
-    PropType = GetTypeFromNode (Type, Len);\r
-    if (PropType == PropertyTypeUnknown) {\r
-      continue;\r
-    }\r
-\r
-    //\r
-    // Get the 'reg' property of this node. For now, we will assume\r
-    // 8 byte quantities for base and size, respectively.\r
-    // TODO use #cells root properties instead\r
-    //\r
-    RegProp = fdt_getprop (DeviceTreeBase, Node, "reg", &Len);\r
-    ASSERT (RegProp != NULL);\r
-\r
-    switch (PropType) {\r
-    case PropertyTypeVirtio:\r
-      ASSERT (Len == 16);\r
-      //\r
-      // Create a unique device path for this transport on the fly\r
-      //\r
-      RegBase = fdt64_to_cpu (((UINT64 *)RegProp)[0]);\r
-      DevicePath = (VIRTIO_TRANSPORT_DEVICE_PATH *)CreateDeviceNode (\r
-                                    HARDWARE_DEVICE_PATH,\r
-                                    HW_VENDOR_DP,\r
-                                    sizeof (VIRTIO_TRANSPORT_DEVICE_PATH));\r
-      if (DevicePath == NULL) {\r
-        DEBUG ((EFI_D_ERROR, "%a: Out of memory\n", __FUNCTION__));\r
-        break;\r
-      }\r
-\r
-      CopyMem (&DevicePath->Vendor.Guid, &gVirtioMmioTransportGuid,\r
-        sizeof (EFI_GUID));\r
-      DevicePath->PhysBase = RegBase;\r
-      SetDevicePathNodeLength (&DevicePath->Vendor,\r
-                               sizeof (*DevicePath) - sizeof (DevicePath->End));\r
-      SetDevicePathEndNode (&DevicePath->End);\r
-\r
-      Handle = NULL;\r
-      Status = gBS->InstallProtocolInterface (&Handle,\r
-                     &gEfiDevicePathProtocolGuid, EFI_NATIVE_INTERFACE,\r
-                     DevicePath);\r
-      if (EFI_ERROR (Status)) {\r
-        DEBUG ((EFI_D_ERROR, "%a: Failed to install the EFI_DEVICE_PATH "\r
-          "protocol on a new handle (Status == %r)\n",\r
-          __FUNCTION__, Status));\r
-        FreePool (DevicePath);\r
-        break;\r
-      }\r
-\r
-      Status = VirtioMmioInstallDevice (RegBase, Handle);\r
-      if (EFI_ERROR (Status)) {\r
-        DEBUG ((EFI_D_ERROR, "%a: Failed to install VirtIO transport @ 0x%Lx "\r
-          "on handle %p (Status == %r)\n", __FUNCTION__, RegBase,\r
-          Handle, Status));\r
-\r
-        Status = gBS->UninstallProtocolInterface (Handle,\r
-                        &gEfiDevicePathProtocolGuid, DevicePath);\r
-        ASSERT_EFI_ERROR (Status);\r
-        FreePool (DevicePath);\r
-      }\r
-      break;\r
-\r
-    case PropertyTypeXen:\r
-      ASSERT (Len == 16);\r
-\r
-      //\r
-      // Retrieve the reg base from this node and wire it up to the\r
-      // MMIO flavor of the XenBus root device I/O protocol\r
-      //\r
-      RegBase = fdt64_to_cpu (((UINT64 *)RegProp)[0]);\r
-      Handle = NULL;\r
-      Status = XenIoMmioInstall (&Handle, RegBase);\r
-      if (EFI_ERROR (Status)) {\r
-        DEBUG ((EFI_D_ERROR, "%a: XenIoMmioInstall () failed on a new handle "\r
-          "(Status == %r)\n", __FUNCTION__, Status));\r
-        break;\r
-      }\r
-\r
-      DEBUG ((EFI_D_INFO, "Found Xen node with Grant table @ 0x%Lx\n", RegBase));\r
-\r
-      break;\r
-\r
-    default:\r
-      break;\r
-    }\r
-  }\r
-\r
-  return EFI_SUCCESS;\r
-}\r
diff --git a/ArmVirtPkg/VirtFdtDxe/VirtFdtDxe.inf b/ArmVirtPkg/VirtFdtDxe/VirtFdtDxe.inf
deleted file mode 100644 (file)
index 4dd46cf..0000000
+++ /dev/null
@@ -1,55 +0,0 @@
-## @file\r
-#  Device tree enumeration DXE driver for ARM Virtual Machines\r
-#\r
-#  Copyright (c) 2014, Linaro Ltd. All rights reserved.<BR>\r
-#\r
-#  This program and the accompanying materials are\r
-#  licensed and made available under the terms and conditions of the BSD License\r
-#  which accompanies this distribution.  The full text of the license may be found at\r
-#  http://opensource.org/licenses/bsd-license.php\r
-#\r
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-#\r
-##\r
-\r
-[Defines]\r
-  INF_VERSION                    = 0x00010005\r
-  BASE_NAME                      = VirtFdtDxe\r
-  FILE_GUID                      = 9AD7DCB4-E6EC-472E-96BF-81C219A3F77E\r
-  MODULE_TYPE                    = DXE_DRIVER\r
-  VERSION_STRING                 = 1.0\r
-\r
-  ENTRY_POINT                    = InitializeVirtFdtDxe\r
-\r
-[Sources]\r
-  VirtFdtDxe.c\r
-\r
-[Packages]\r
-  MdePkg/MdePkg.dec\r
-  MdeModulePkg/MdeModulePkg.dec\r
-  ArmPkg/ArmPkg.dec\r
-  ArmPlatformPkg/ArmPlatformPkg.dec\r
-  ArmVirtPkg/ArmVirtPkg.dec\r
-  EmbeddedPkg/EmbeddedPkg.dec\r
-  OvmfPkg/OvmfPkg.dec\r
-\r
-[LibraryClasses]\r
-  BaseLib\r
-  PcdLib\r
-  UefiDriverEntryPoint\r
-  DxeServicesLib\r
-  FdtLib\r
-  VirtioMmioDeviceLib\r
-  HobLib\r
-  XenIoMmioLib\r
-\r
-[Guids]\r
-  gVirtioMmioTransportGuid\r
-  gFdtHobGuid\r
-\r
-[Protocols]\r
-  gEfiDevicePathProtocolGuid\r
-\r
-[Depex]\r
-  TRUE\r
diff --git a/ArmVirtPkg/VirtioFdtDxe/VirtioFdtDxe.c b/ArmVirtPkg/VirtioFdtDxe/VirtioFdtDxe.c
new file mode 100644 (file)
index 0000000..c937881
--- /dev/null
@@ -0,0 +1,124 @@
+/** @file\r
+*  Virtio FDT client protocol driver for virtio,mmio DT node\r
+*\r
+*  Copyright (c) 2014 - 2016, Linaro Ltd. All rights reserved.<BR>\r
+*\r
+*  This program and the accompanying materials are\r
+*  licensed and made available under the terms and conditions of the BSD License\r
+*  which accompanies this distribution.  The full text of the license may be found at\r
+*  http://opensource.org/licenses/bsd-license.php\r
+*\r
+*  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+*  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+*\r
+**/\r
+\r
+#include <Library/BaseLib.h>\r
+#include <Library/BaseMemoryLib.h>\r
+#include <Library/DebugLib.h>\r
+#include <Library/DevicePathLib.h>\r
+#include <Library/MemoryAllocationLib.h>\r
+#include <Library/UefiBootServicesTableLib.h>\r
+#include <Library/UefiDriverEntryPoint.h>\r
+#include <Library/VirtioMmioDeviceLib.h>\r
+\r
+#include <Guid/VirtioMmioTransport.h>\r
+\r
+#include <Protocol/FdtClient.h>\r
+\r
+#pragma pack (1)\r
+typedef struct {\r
+  VENDOR_DEVICE_PATH                  Vendor;\r
+  UINT64                              PhysBase;\r
+  EFI_DEVICE_PATH_PROTOCOL            End;\r
+} VIRTIO_TRANSPORT_DEVICE_PATH;\r
+#pragma pack ()\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+InitializeVirtioFdtDxe (\r
+  IN EFI_HANDLE           ImageHandle,\r
+  IN EFI_SYSTEM_TABLE     *SystemTable\r
+  )\r
+{\r
+  EFI_STATUS                     Status, FindNodeStatus;\r
+  FDT_CLIENT_PROTOCOL            *FdtClient;\r
+  INT32                          Node;\r
+  CONST UINT64                   *Reg;\r
+  UINT32                         RegSize;\r
+  VIRTIO_TRANSPORT_DEVICE_PATH   *DevicePath;\r
+  EFI_HANDLE                     Handle;\r
+  UINT64                         RegBase;\r
+\r
+  Status = gBS->LocateProtocol (&gFdtClientProtocolGuid, NULL,\r
+                  (VOID **)&FdtClient);\r
+  ASSERT_EFI_ERROR (Status);\r
+\r
+  for (FindNodeStatus = FdtClient->FindCompatibleNode (FdtClient,\r
+                                     "virtio,mmio", &Node);\r
+       !EFI_ERROR (FindNodeStatus);\r
+       FindNodeStatus = FdtClient->FindNextCompatibleNode (FdtClient,\r
+                                     "virtio,mmio", Node, &Node)) {\r
+\r
+    Status = FdtClient->GetNodeProperty (FdtClient, Node, "reg",\r
+                          (CONST VOID **)&Reg, &RegSize);\r
+    if (EFI_ERROR (Status)) {\r
+      DEBUG ((EFI_D_ERROR, "%a: GetNodeProperty () failed (Status == %r)\n",\r
+        __FUNCTION__, Status));\r
+      continue;\r
+    }\r
+\r
+    ASSERT (RegSize == 16);\r
+\r
+    //\r
+    // Create a unique device path for this transport on the fly\r
+    //\r
+    RegBase = SwapBytes64 (*Reg);\r
+    DevicePath = (VIRTIO_TRANSPORT_DEVICE_PATH *)CreateDeviceNode (\r
+                                  HARDWARE_DEVICE_PATH,\r
+                                  HW_VENDOR_DP,\r
+                                  sizeof (VIRTIO_TRANSPORT_DEVICE_PATH));\r
+    if (DevicePath == NULL) {\r
+      DEBUG ((EFI_D_ERROR, "%a: Out of memory\n", __FUNCTION__));\r
+      continue;\r
+    }\r
+\r
+    CopyGuid (&DevicePath->Vendor.Guid, &gVirtioMmioTransportGuid);\r
+    DevicePath->PhysBase = RegBase;\r
+    SetDevicePathNodeLength (&DevicePath->Vendor,\r
+      sizeof (*DevicePath) - sizeof (DevicePath->End));\r
+    SetDevicePathEndNode (&DevicePath->End);\r
+\r
+    Handle = NULL;\r
+    Status = gBS->InstallProtocolInterface (&Handle,\r
+                     &gEfiDevicePathProtocolGuid, EFI_NATIVE_INTERFACE,\r
+                     DevicePath);\r
+    if (EFI_ERROR (Status)) {\r
+      DEBUG ((EFI_D_ERROR, "%a: Failed to install the EFI_DEVICE_PATH "\r
+        "protocol on a new handle (Status == %r)\n",\r
+        __FUNCTION__, Status));\r
+      FreePool (DevicePath);\r
+      continue;\r
+    }\r
+\r
+    Status = VirtioMmioInstallDevice (RegBase, Handle);\r
+    if (EFI_ERROR (Status)) {\r
+      DEBUG ((EFI_D_ERROR, "%a: Failed to install VirtIO transport @ 0x%Lx "\r
+        "on handle %p (Status == %r)\n", __FUNCTION__, RegBase,\r
+        Handle, Status));\r
+\r
+      Status = gBS->UninstallProtocolInterface (Handle,\r
+                      &gEfiDevicePathProtocolGuid, DevicePath);\r
+      ASSERT_EFI_ERROR (Status);\r
+      FreePool (DevicePath);\r
+      continue;\r
+    }\r
+  }\r
+\r
+  if (EFI_ERROR (FindNodeStatus) && FindNodeStatus != EFI_NOT_FOUND) {\r
+     DEBUG ((EFI_D_ERROR, "%a: Error occurred while iterating DT nodes "\r
+       "(FindNodeStatus == %r)\n", __FUNCTION__, FindNodeStatus));\r
+  }\r
+\r
+  return EFI_SUCCESS;\r
+}\r
diff --git a/ArmVirtPkg/VirtioFdtDxe/VirtioFdtDxe.inf b/ArmVirtPkg/VirtioFdtDxe/VirtioFdtDxe.inf
new file mode 100644 (file)
index 0000000..0fa32e5
--- /dev/null
@@ -0,0 +1,51 @@
+## @file\r
+#  Virtio FDT client protocol driver for virtio,mmio DT node\r
+#\r
+#  Copyright (c) 2014 - 2016, Linaro Ltd. All rights reserved.<BR>\r
+#\r
+#  This program and the accompanying materials are\r
+#  licensed and made available under the terms and conditions of the BSD License\r
+#  which accompanies this distribution.  The full text of the license may be found at\r
+#  http://opensource.org/licenses/bsd-license.php\r
+#\r
+#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+#\r
+##\r
+\r
+[Defines]\r
+  INF_VERSION                    = 0x00010005\r
+  BASE_NAME                      = VirtioFdtDxe\r
+  FILE_GUID                      = 0049858F-8CA7-4CCD-918B-D952CBF32975\r
+  MODULE_TYPE                    = DXE_DRIVER\r
+  VERSION_STRING                 = 1.0\r
+\r
+  ENTRY_POINT                    = InitializeVirtioFdtDxe\r
+\r
+[Sources]\r
+  VirtioFdtDxe.c\r
+\r
+[Packages]\r
+  ArmVirtPkg/ArmVirtPkg.dec\r
+  MdePkg/MdePkg.dec\r
+  OvmfPkg/OvmfPkg.dec\r
+\r
+[LibraryClasses]\r
+  BaseLib\r
+  BaseMemoryLib\r
+  DebugLib\r
+  DevicePathLib\r
+  MemoryAllocationLib\r
+  UefiBootServicesTableLib\r
+  UefiDriverEntryPoint\r
+  VirtioMmioDeviceLib\r
+\r
+[Guids]\r
+  gVirtioMmioTransportGuid\r
+\r
+[Protocols]\r
+  gEfiDevicePathProtocolGuid                            ## PRODUCES\r
+  gFdtClientProtocolGuid                                ## CONSUMES\r
+\r
+[Depex]\r
+  gFdtClientProtocolGuid\r